[null,null,["最后更新时间 (UTC):2025-07-25。"],[],[],null,["# Property signature MeetStreamTrack.mediaStreamTrack\n\n| **Developer Preview:** Available as part of the [Google Workspace Developer Preview Program](https://developers.google.com/workspace/preview), which grants early access to certain features. \n|\n| **To use the Meet Media API to access real-time media from a conference, the Google Cloud project, OAuth principal, and all participants in the conference must be enrolled in the Developer Preview Program.**\n\nThe\n[WebRTC MediaStreamTrack](https://developer.mozilla.org/en-US/docs/Web/API/MediaStreamTrack)\ninterface of the Media Capture and Streams API represents a single audio or\nvideo media track within a stream.\n\nSignature\n---------\n\n readonly mediaStreamTrack: MediaStreamTrack;\n\nDetails\n-------\n\n| Type | `MediaStreamTrack` |\n| Optional | No |\n| Readonly | Yes |\n|----------|--------------------|"]]